The formula F(C) = 9/5C + 32 calculates the temperature in degrees Fahrenheit, given a
temperature in degrees Celsius.
You can find an equation for the temperature in
degrees Celsius for a given temperature in
degrees Fahrenheit by finding the function's

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step-by-step explanation:

10 down (bang1)

5 up

5down (2)

2.5 up

2.5 down (3)

1.25 up

1.25 down (4)

now add them up : )

hoped i lol

i would say true? if the unit was informational and it "refreshed your understanding", then true.

let x and 400 - x be the two numbers.  

==> 0.80x + 0.85(400 - x) = 400 - 68 from the statement of the problem.  

< ==> 0.80x + 0.85(400 - x) = 400 - 68  

==> 340 - 0.05x = 332  

< ==> -0.05x = -8 ==> x = 160, the first number ==> 400 - x = 240, the second number.